Home / 932,686.43-1,399,029.63-258,767.84

Finding the Fourth Proportional to 932,686.43, 1,399,029.63 and 258,767.84

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Solution

The fourth proportional to 932,686.43, 1,399,029.63 and 258,767.84 is: 388,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,686.43 : 1,399,029.63 = 258,767.84 : x
  2. Step 2: Convert to fraction form
    932,686.43/1,399,029.63 = 258,767.84/x
  3. Step 3: Cross multiply
    932,686.43x = 1,399,029.63 × 258,767.84
  4. Step 4: Simplify right side
    932,686.43x = 362,023,875,451.10
  5. Step 5: Solve for x
    x = 362,023,875,451.10/932,686.43
  6. Step 6: Final answer
    x = 388,151.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.